And if he said what he did on account of him on whose behalf it seems he spoke, he is entirely mistaken; for I worship the genius of that person, and admire his works and his unceasing and strenuous industry.
With these resolutions, more honourable than judicious or effectual, she remained the next day listening to Lothario, who pressed his suit so strenuously that Camilla’s firmness began to waver, and her virtue had enough to do to come to the rescue of her eyes and keep them from showing signs of a certain tender compassion which the tears and appeals of Lothario had awakened in her bosom.
…march off with such resolution and spirit, said to him, "Take care, my friend, not to cut thyself to pieces; allow the lashes to wait for one another, and do not be in so great a hurry as to run thyself out of breath midway; I mean, do not lay on so strenuously as to make thy life fail thee before thou hast reached the desired number; and that thou mayest not lose by a card too much or too little, I will station myself apart and count on my rosary here the lashes thou givest thyself.
There are no more uses of "strenuous" in the book.
Show samples from other sources
The doctor recommended strenuous exercise three times a week.
Landscaping is strenuous work in the Texas summer.